If you are interested in a guided tour of Sintra, Cascais, and Estoril in Portugal with accessible transportation, you may want to check out this provider:
disabledaccessibletravel.com
Accessible Sintra, Cascais, and Estoril Tour | Disabled Accessible Travel
Discover stunning Sintra, Cascais, and Estoril during this tour. Fully wheelchair accessible, private and with adapted transportation.